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Ruby: How to get the first character of a string

... You can use Ruby's open classes to make your code much more readable. For instance, this: class String def initial self[0,1] end end will allow you to use the initial method on any string. So if you have the following variables: last_name = "Smit...
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Visual Studio 2012 Express is suddenly “incompatible with this version of Windows”?

I'm running Visual Studio Express 2012 on Windows 7. I've been running it with no problems for several months now. 6 Answe...
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PHP page redirect [duplicate]

Can PHP make a redirect call after executing a function? I am creating a function on the completion of which I want it to redirect to a file located in the same root folder. Can it be done? ...
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Using jquery to get all checked checkboxes with a certain class name

... share | improve this answer | follow | edited Jun 8 '13 at 22:47 ...
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]

... understand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? H...
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Is there a shortcut on Android Studio to convert a text to uppercase?

I'm trying to find a command on Android Studio to convert a selected text to uppercase but I'm unable to do so. 8 Answers ...
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How to create an android app using HTML 5

Can we create android applications using HTML5? 6 Answers 6 ...
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UIImagePickerController breaks status bar appearance

In my .plist file, I have " View controller-based status bar appearance " set to NO . But after UIImagePickerController , my app behaves as if the option is set to YES . ...
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Add new field to every document in a MongoDB collection

How can I add a new field to every document in an existent collection? 5 Answers 5 ...
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Multiple constructors in python? [duplicate]

Is it not possible to define multiple constructors in Python, with different signatures? If not, what's the general way of getting around it? ...